First open a photo you like to use for this project, to do this manipulation you need 4 thing that is, your selected photo, water, splash and fish.

First you can change some brightness and contrast of your image and place water photos you like to use in this project, when it’s open and place it where you like and change its blend mode to multiply then open your move tool and place it.Include Video under the post.

Then create a layer mask and open your brush tool and make your your background color is black and remove unnecessary area you like.

You can make it looking colorful to do that go to new adjustment layer and Hue/Saturation and click the clipping mask option and change its color you like to use.

Now you can add in the fish to do that select file menu and place, open your fish and then select your Lasso tool and and make the selection you like to use the fish, and then click right button and Layer Via Copy. and then hide your fish layer. And place it then change its opacity little bit.

And then open your water splash same as before and open you transform tool and make it size and place it, then change its blend mode to overlay and you can change its opacity, then create layer mask and open your brush tool and remove its unnecessary area.

And then you can make it more colorful to do that go and create new adjustment layer and click vibrancy and increase the vibrancy it 100% then hit ok.

Now you can add more brightness, contrast and color open again Hue/Saturation and increase your color what you like to use and then close it.

And lastly when you completely created Manipulation and go to Layer and Flatten Image.